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on January 15, 2026
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We have resources to help you identify potential issues and fix them. Users can also convert OST files into various file formats, including PST, HTML, EML, MSG, vCard, etc. It also provides the option to export the Outlook OST file into Office 365 and Live Exchange mailboxes. This software also has a splitter option to split large-sized PST files into smaller ones, helping users prevent oversized PST file issues. There can be several reasons for the Outlook synchronization error. Before we know the solutions, we will understand a few common causes of the Outlook sync problem.
Professional automation to resolve Microsoft Outlook syncing issues
This solution will be beneficial for users who are facing Outlook homepage syncing issues because of corrupted PST or OST files. Users can also try its free demo version in their system and process the first 50 items from each folder freely. Always make sure your profile and settings are set up correctly, your software is up to date, and your connection is steady. The causes of sync issues and local failures in Outlook are explained in this guide, along with practical troubleshooting and resolution techniques. You can extract and recover all of your mail items to a PST file using sophisticated OST File to PST Converter software if your OST file becomes unavailable or orphaned. Here, we will discuss the five manual methods to fix sync issues in Outlook or OWA.
Now, let us start with the manual processes to fix Outlook syncing errors.The other solution to fix Outlook sync issues is recreating Microsoft Outlook profile.The Support and Recovery Assistant, a tool provided by Microsoft, can identify and resolve common Outlook problems.Follow each step carefully to resolve synchronization errors.You need to login to the correct microsoft account if you need to sync your computer and tablet.When they go back to the message and press send they get an error that the message has been deleted.Here, we will discuss the five manual methods to fix sync issues in Outlook or OWA.
Outlook sync errors with Office 365
It is capable of automatically identifying problems with account setups, sync, and other typical mistakes. To solve your Outlook issues, download the application from the Microsoft website and follow the directions. Now, we will verify the server settings to fix the Outlook synchronization error. Outlook’s ability to connect to the mail server may be blocked by firewalls or antivirus software.
Method 4: Recreating the Outlook Profile
Outlook sync Fix Outlook and Office 365 Errors 2025 issues can be because of corrupted Outlook OST or PST files. Therefore, now we will know the steps to repair the Outlook data file. With directory synchronization, you can continue to manage users and groups on-premises and synchronize additions, deletions, and changes to the cloud. But setup is a little complicated and it can sometimes be difficult to identify the source of problems.
How do I get Microsoft Entra Connect tool?
There are various methods to resolve the Outlook sync issues, including manual and third-party solutions. Firstly, we will discuss a few manual methods to resolve this Outlook error and share the stepwise procedure of each method to successfully troubleshoot Outlook synchronizing folders error fix synchronization issues. Now, let us start with the manual processes to fix Outlook syncing errors. If users are facing syncing issues in Outlook due to corrupt Outlook data files, they must choose a professional tool, like Shoviv OST to PST Converter Tool.
Upgrade to Microsoft Edge to take advantage of the latest features, security updates, and technical support. To make sure there are no issues, click Test Account Settings to test the connection. Test other programs or websites to be sure Outlook is the only problem.